public static Bitmap Capture(this IntPtr hWnd)
{
var hscrdc = User32Api.GetWindowDC(hWnd);
var windowRect = new User32Api.RectApi();
User32Api.GetWindowRect(hWnd, ref windowRect);
var width = windowRect.right - windowRect.left;
var height = windowRect.bottom - windowRect.top;
var hbitmap = Gdi32Api.CreateCompatibleBitmap(hscrdc, width, height);
var hmemdc = Gdi32Api.CreateCompatibleDC(hscrdc);
Gdi32Api.SelectObject(hmemdc, hbitmap);
User32Api.PrintWindow(hWnd, hmemdc, 0);
var bmp = Image.FromHbitmap(hbitmap);
Gdi32Api.DeleteDC(hscrdc); //删除用过的对象
Gdi32Api.DeleteDC(hmemdc); //删除用过的对象
GC.Collect();
return(bmp);
}
public static void MouseLClick(this Point pt)
{
var myMinput = new User32Api.MouseInputApi
{
dx = pt.X * (65355 / Screen.PrimaryScreen.Bounds.Width),
dy = pt.Y * (65355 / Screen.PrimaryScreen.Bounds.Height),
Mousedata = 0,
dwFlag = User32Api.MouseEventAbsolute |
User32Api.MouseEventMove |
User32Api.MouseEventLeftDown |
User32Api.MouseEventLeftUp,
time = 0
};
var myInput = new[] { new User32Api.Input {
type = 0, mi = myMinput
} };
if (User32Api.SendInput((uint)myInput.Length, myInput, Marshal.SizeOf(myInput[0].GetType())) == 0)
{
throw new Exception(string.Format("模拟鼠标点击失败!X:{0} Y: {1}", pt.X, pt.Y));
}
}
//获取根节点
public static IntPtr GetRootItem(this IntPtr treeViewHwnd)
{
return(User32Api.SendMessage(treeViewHwnd, WindowsMessageApi.TVM_GETNEXTITEM,
WindowsMessageApi.TVGN_ROOT, 0));
}
//获取下个子节点
public static IntPtr GetNextItem(this IntPtr treeViewHwnd, IntPtr prevItemHwnd)
{
return(User32Api.SendMessage(treeViewHwnd, WindowsMessageApi.TVM_GETNEXTITEM,
WindowsMessageApi.TVGN_NEXT, prevItemHwnd.ToInt32()));
}
public static string GetItemText(this IntPtr treeViewHwnd, IntPtr itemHwnd)
{
var result = new StringBuilder(1024);
uint vProcessId;
User32Api.GetWindowThreadProcessId(treeViewHwnd, out vProcessId);
var vProcess = Kernel32Api.OpenProcess(
WindowsMessageApi.PROCESS_VM_OPERATION |
WindowsMessageApi.PROCESS_VM_READ |
WindowsMessageApi.PROCESS_VM_WRITE,
false,
vProcessId
);
var pStrBufferMemory = Kernel32Api.VirtualAllocEx(vProcess,
IntPtr.Zero,
1024,
WindowsMessageApi.MEM_COMMIT,
WindowsMessageApi.PAGE_READWRITE);
var remoteBuffer = Kernel32Api.VirtualAllocEx(vProcess,
IntPtr.Zero,
(uint)Marshal.SizeOf(typeof(User32Api.TVITEM)),
WindowsMessageApi.MEM_COMMIT,
WindowsMessageApi.PAGE_EXECUTE_READWRITE);
try
{
var tvItem = new User32Api.TVITEM
{
mask = WindowsMessageApi.TVIF_TEXT,
hItem = itemHwnd,
pszText = pStrBufferMemory,
cchTextMax = 1024
};
var localBuffer = Marshal.AllocHGlobal(Marshal.SizeOf(tvItem));
Marshal.StructureToPtr(tvItem, localBuffer, false);
int vNumberOfBytesWrite;
Kernel32Api.WriteProcessMemory(
vProcess,
remoteBuffer,
localBuffer,
Marshal.SizeOf(typeof(User32Api.TVITEM)),
out vNumberOfBytesWrite);
User32Api.SendMessage(treeViewHwnd, WindowsMessageApi.TVM_GETITEM, 0, remoteBuffer.ToInt32());
int vNumberOfBytesRead;
Kernel32Api.ReadProcessMemory(
vProcess,
pStrBufferMemory,
result,
1024,
out vNumberOfBytesRead
);
}
finally
{
Kernel32Api.VirtualFreeEx(vProcess, pStrBufferMemory, 0, WindowsMessageApi.MEM_RELEASE);
Kernel32Api.VirtualFreeEx(vProcess, remoteBuffer, 0, WindowsMessageApi.MEM_RELEASE);
Kernel32Api.CloseHandle(vProcess);
}
return(result.ToString());
}
public static int GetWindowTextLength(this IntPtr hWnd)
{
return(User32Api.GetWindowTextLength(hWnd));
}
public static IntPtr SetWindowText(this IntPtr hWnd, string text)
{
User32Api.SendMessage(hWnd, WindowsMessageApi.WM_SETTEXT, 0, text);
return(hWnd);
}
public static bool SetForeground(this IntPtr hWnd)
{
return(User32Api.SetForegroundWindow(hWnd));
}
public static IntPtr FindWindow(this string titleWnd, string classWnd)
{
return(User32Api.FindWindow(classWnd, titleWnd));
}
public static IntPtr FindWindow(this string titleWnd)
{
return(User32Api.FindWindow(null, titleWnd));
}
